Stroller frame



FIG. 1 is a perspective view of a stroller frame in accordance with an embodiment of our new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a bottom view of FIG. 1;

FIG. 6 is a left side view of FIG. 1;

FIG. 7 is a right side view of FIG. 1;

FIG. 8 is a view showing the stroller frame shown in FIG. 1 in use; and,

FIG. 9 is another view showing the stroller frame shown in FIG. 1 in use.

The broken lines shown in FIGS. 8 and 9 show environmental structures of the stroller frame and form no part of the claimed design. 

CLAIM The ornamental design for a stroller frame, as shown and described. 